PS2761B-1-A

Overview

The PS2761B-1-A is a single-channel transistor output optocoupler manufactured by Renesas Electronics. It features an NPN phototransistor output and is housed in a 4-pin SOP package. The device provides an insulation voltage of 3750 Vrms. Key electrical parameters include a maximum collector-emitter voltage of 70 V, a maximum collector current of 50 mA, and a power dissipation of 230 mW. The forward voltage is 1.1 V at a forward current of 5 mA. Switching characteristics include rise and fall times of 5 µs. The operating temperature range spans from -55°C to +110°C.

Feature Summary

• Provides high-voltage isolation between input and output circuits for signal transmission.
• Features fast switching speeds with defined rise and fall times for digital applications.
• Designed for surface mount installation in compact electronic assemblies.

Applications

• AC servo motor control systems
• Industrial inverter boards
• Motor encoder interfaces

Procurement Notes

Verify the specific suffix against official Renesas documentation, as variations such as F3 or Y may indicate different packaging or binning options. Confirm availability status directly with authorized distributors, as supply constraints may apply. Ensure the component meets required RoHS compliance standards for the target market. Cross-reference the datasheet revision date to ensure compatibility with current design specifications.

Selection Notes

Select this component when a single-channel isolation barrier is required with moderate speed capabilities. The 70 V collector-emitter voltage rating suits low-voltage logic interfacing. Verify that the SOP-4 package dimensions fit the PCB layout constraints. Consider the thermal dissipation requirements within the enclosure, as the device operates up to 110°C. Ensure the input current limits are respected to maintain optimal current transfer ratio performance.

Part Context

This part belongs to the PS2761B series of transistor output optocouplers from Renesas Electronics. The series is commonly utilized in industrial automation and motor control applications where galvanic isolation is necessary. It serves as a bridge between low-power control logic and higher-power drive circuits, ensuring system safety and noise immunity in electrically noisy environments.

Replacement Considerations

Publicly confirmed substitute part numbers for PS2761B-1-A are not available in the provided source material. Consult official cross-reference guides or manufacturer databases for potential equivalents.